Finding the Third Proportional to 560,427 and 875,635.50

Step by Step Solution

1. Step 1: Write the proportion equation
   560,427 : 875,635.50 = 875,635.50 : x
2. Step 2: Convert to fraction form
   560,427/875,635.50 = 875,635.50/x
3. Step 3: Cross multiply
   560,427x = 875,635.50 × 875,635.50
4. Step 4: Simplify right side
   560,427x = 766,737,528,860.25
5. Step 5: Solve for x
   x = 766,737,528,860.25/560,427
6. Step 6: Final answer
   x = 1,368,130.96